Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong anh co snippets" » "duong anh code snippets", "duong manh co snippets", "duong xanh co snippets", "duong vanh co snippets", "duong anh so snippets", "duong danh cho snippets", "duong nganh co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duong anh co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong anh co snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duong anh co snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong anh co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.